Thermostat



FIG. 1 is a front view of a thermostat according to the present application;

FIG. 2 is a rear view of the thermostat according to the present application;

FIG. 3 is a left view of the thermostat according to the present application;

FIG. 4 is a right view of the thermostat according to the present application;

FIG. 5 is a top view of the thermostat according to the present application;

FIG. 6 is a bottom view of the thermostat according to the present application; and,

FIG. 7 is a perspective view of the thermostat according to the present application. 

CLAIM The ornamental design for a thermostat, as shown and described. 